some, like lisa, have decided on their own to plant trees to soften and beautify the environment. but she's opposed to a new city push that will force her neighbors to take responsibility for something that has always been outside their front door. >> i think it is an imposition for people who have inherited a tree. >> the job of tree maintenance belongs to the department of public works. but after years of budget cuts, it can't keep up with pruning trees in the public right-of-way, let alone those on the sidewalks. but the supervisor said the decision to transfer the responsibility of 24,000 trees to homeowners is not the answer. >>> it makes no sense for us to require property owners to take care of street trees that they may not own, they may not want, they may not know how to take care of, they may not able to afford to take care of. >> wiener unsuccessfully fought for more funding in the last budget. he said a parcel tax could now be an option. but that might be a hard sell. kate smith has already spent thousands planting trees in front of her home. >> the city does a great j